1 /* context_Ruby - implementation of context switching with/for ruby */
3 /* Copyright (c) 2010, the SimGrid team. All right reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/function_types.h"
10 #include "xbt/sysdep.h"
12 #include "xbt/asserts.h"
14 #include "bindings/ruby_bindings.h"
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ruby);
19 smx_ctx_ruby_create_context(xbt_main_func_t code,int argc,char** argv,
20 void_f_pvoid_t cleanup_func,void *cleanup_arg);
22 static int smx_ctx_ruby_factory_finalize(smx_context_factory_t *factory);
23 static void smx_ctx_ruby_free(smx_context_t context);
24 static void smx_ctx_ruby_start(smx_context_t context);
25 static void smx_ctx_ruby_stop(smx_context_t context);
26 static void smx_ctx_ruby_suspend(smx_context_t context);
28 smx_ctx_ruby_resume(smx_context_t old_context,smx_context_t new_context);
29 static void smx_ctx_ruby_wrapper(void);
32 void SIMIX_ctx_ruby_factory_init(smx_context_factory_t *factory) {
33 *factory = xbt_new0(s_smx_context_factory_t,1);
35 (*factory)->create_context = smx_ctx_ruby_create_context;
36 (*factory)->finalize = smx_ctx_ruby_factory_finalize;
37 (*factory)->free = smx_ctx_ruby_free;
38 (*factory)->start = smx_ctx_ruby_start;
39 (*factory)->stop = smx_ctx_ruby_stop;
40 (*factory)->suspend = smx_ctx_ruby_suspend;
41 (*factory)->resume = smx_ctx_ruby_resume;
42 (*factory)->name = "smx_ruby_context_factory";
47 static int smx_ctx_ruby_factory_finalize(smx_context_factory_t *factory) {
54 smx_ctx_ruby_create_context(xbt_main_func_t code,int argc,char** argv,
55 void_f_pvoid_t cleanup_func,void* cleanup_arg) {
57 smx_ctx_ruby_t context = xbt_new0(s_smx_ctx_ruby_t,1);
59 /* if the user provided a function for the process , then use it
60 Otherwise it's the context for maestro */
62 context->cleanup_func = cleanup_func;
63 context->cleanup_arg = cleanup_arg;
64 context->process = (VALUE)code;
68 DEBUG1("smx_ctx_ruby_create_context(%s)...Done",argv[0]);
70 return (smx_context_t) context;
74 static void smx_ctx_ruby_free(smx_context_t context) {
77 DEBUG1("smx_ctx_ruby_free_context(%p)",context);
80 for (i = 0; i < context->argc; i++)
82 free(context->argv[i]);
91 static void smx_ctx_ruby_start(smx_context_t context) {
92 DEBUG1("smx_ctx_ruby_start(%s) (nothing to do)",context->argv[0]);
93 /* Already Done .. Since a Ruby process is launched within initialization
94 We Start it Within the Initializer ... We Use the Semaphore To Keep
95 the thread alive waiting for mutex signal to execute the main*/
98 static void smx_ctx_ruby_stop(smx_context_t context) {
99 DEBUG0("smx_ctx_ruby_stop()");
100 VALUE process = Qnil;
101 smx_ctx_ruby_t ctx_ruby,current;
103 if ( context->cleanup_func)
104 (*(context->cleanup_func)) (context->cleanup_arg);
106 ctx_ruby = (smx_ctx_ruby_t) context;
108 if ( simix_global->current_process->iwannadie ) {
109 if( ctx_ruby->process ) {
111 //if the Ruby Process still Alive ,let's Schedule it
112 if ( rb_process_isAlive( ctx_ruby->process ) ) {
114 current = (smx_ctx_ruby_t)simix_global->current_process->context;
115 rb_process_schedule(current->process);
116 process = ctx_ruby->process;
117 // interupt/kill The Ruby Process
118 rb_process_kill_up(process);
123 if (ctx_ruby->process)
124 ctx_ruby->process = Qnil;
129 static void smx_ctx_ruby_suspend(smx_context_t context) {
131 DEBUG1("smx_ctx_ruby_suspend(%s)",context->argv[0]);
132 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) context;
133 if (ctx_ruby->process)
134 rb_process_unschedule(ctx_ruby->process);
137 static void smx_ctx_ruby_resume(smx_context_t old_context,smx_context_t new_context) {
138 DEBUG2("smx_ctx_ruby_resume(%s,%s)",
139 (old_context->argc?old_context->argv[0]:"maestro"),
140 (new_context->argc?new_context->argv[0]:"maestro"));
142 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) new_context;
143 rb_process_schedule(ctx_ruby->process);